/**
 * Copyright Frank Cheung <frank@ajaxjs.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.ajaxjs.js.jsonparser.syntax;

import java.lang.reflect.Method;

/**
 * 状态
 * 
 * @author Frank Cheung frank@ajaxjs.com
 */
public class State {
	/**
	 * 创建一个状态对象
	 * 
	 * @param index
	 *            状态 id
	 * @param description
	 *            状态描述
	 * @param expectDescription
	 *            期望描述
	 */
	public State(int index, String description) {
		this.id = index;
		this.description = description;
	}

	/**
	 * 创建一个状态对象
	 * 
	 * @param index
	 *            状态 id
	 * @param description
	 *            状态描述
	 * @param expectDescription
	 *            期望描述
	 * @param handler
	 *            状态转换用的处理器
	 */
	public State(int index, String description, Method handler) {
		this(index, description);
		this.setHandler(handler);
	}

	/**
	 * 索引
	 */
	private int id;

	/**
	 * 状态转换操作
	 */
	private Method handler;

	/**
	 * 描述
	 */
	private String description;

	/**
	 * 下一步期望的描述
	 */
	private String expectDescription;

	/**
	 * @return the description
	 */
	public String getDescription() {
		return description;
	}

	/**
	 * @param description
	 *            the description to set
	 */
	public void setDescription(String description) {
		this.description = description;
	}

	/**
	 * @return the expectDescription
	 */
	public String getExpectDescription() {
		return expectDescription;
	}

	/**
	 * @param expectDescription
	 *            the expectDescription to set
	 */
	public void setExpectDescription(String expectDescription) {
		this.expectDescription = expectDescription;
	}

	/**
	 * @return the id
	 */
	public int getId() {
		return id;
	}

	/**
	 * @param id
	 *            the id to set
	 */
	public void setId(int id) {
		this.id = id;
	}

	/**
	 * @return the handler
	 */
	public Method getHandler() {
		return handler;
	}

	/**
	 * @param handler
	 *            the handler to set
	 */
	public void setHandler(Method handler) {
		this.handler = handler;
	}
}
